[PATCH] drivers/char: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of ARRAY_SIZE.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 55a3a01..5dae325 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -107,15 +107,15 @@
 
 /* RISCom/8 I/O ports addresses (without address translation) */
 static unsigned short rc_ioport[] =  {
-#if 1	
+#if 1
 	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c,
-#else	
+#else
 	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c, 0x10,
 	0x11, 0x12, 0x18, 0x28, 0x31, 0x32, 0x39, 0x3a, 0x40, 0x41, 0x61, 0x62,
 	0x63, 0x64, 0x6b, 0x70, 0x71, 0x78, 0x7a, 0x7b, 0x7f, 0x100, 0x101
-#endif	
+#endif
 };
-#define RC_NIOPORT	(sizeof(rc_ioport) / sizeof(rc_ioport[0]))
+#define RC_NIOPORT	ARRAY_SIZE(rc_ioport)
 
 
 static inline int rc_paranoia_check(struct riscom_port const * port,